NEEDLE PLACEMENT MANIPULATOR WITH TWO ROTARY GUIDES
First Claim
Patent Images
1. A needle placement manipulator comprising:
- a first ring shaped rotary guide;
a first rotation body which is fixed to said first ring shaped rotary guide;
a second ring shaped rotary guide attached to the first rotation body, the second ring shaped rotary guide being movable along with the first rotation body;
a second rotation body which is fixed to said second ring shaped rotary guide;
a needle holder which is fixed to the second rotation body and holds a needle along an axis, the needle holder being movable along with the second rotation body;
wherein a rotational axis of the first rotary guide and a rotational axis of the second rotary guide are slanted with respect to each other, andwherein the rotational axis of the first rotary guide, the rotational axis of the second rotary guide, and the needle holder axis cross each other at one point.
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Abstract
A needle placement manipulator includes, a pair of rotary guides arranged at a slanted angle with respect to each other, a needle holder which holds a needle along a needle holder axis, and a base body on which the guides are supported. The needle holder axis and each axis of the rotary guides cross at a single point located at or below the base body. The base body is configured to be attached to a patient or to an RF-coil.
23 Citations
30 Claims
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1. A needle placement manipulator comprising:
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a first ring shaped rotary guide; a first rotation body which is fixed to said first ring shaped rotary guide; a second ring shaped rotary guide attached to the first rotation body, the second ring shaped rotary guide being movable along with the first rotation body; a second rotation body which is fixed to said second ring shaped rotary guide; a needle holder which is fixed to the second rotation body and holds a needle along an axis, the needle holder being movable along with the second rotation body; wherein a rotational axis of the first rotary guide and a rotational axis of the second rotary guide are slanted with respect to each other, and wherein the rotational axis of the first rotary guide, the rotational axis of the second rotary guide, and the needle holder axis cross each other at one point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification